import java.util.Scanner;

public class Practice1109 {
    //跳台阶的扩展方法
    public int jumpFloorII(int target) {
        if(target==1){
            return 1;
        }
        return jumpFloorII(target-1)*2;//最终的种数=上一次跳台阶的种数*2
    }
    //快到碗里来
    public static void main(String[] args){
        //小心精度范围
        Scanner scan = new Scanner(System.in);
        while(scan.hasNext()){
            double n=scan.nextDouble();
            double r=scan.nextDouble();
            if(2*3.14*r<n){
                System.out.println("No");
            }else{
                System.out.println("Yes");
            }
        }

    }
}
